# Aichi 8th district

Aichi 8th district (愛知県第8区, Aichi-ken dai-hachiku or simply 愛知8区, Aichi-hakku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan.

## List of representatives

| Election | Representative | Party |
| 1996 | Tōichirō Kuno [ja] | Liberal Democratic |
| 2000 | Hiroshi Ōki [ja] | Liberal Democratic |
| 2003 | Yutaka Banno | Democratic |
| 2005 | Tadahiko Ito | Liberal Democratic |
| 2009 | Yutaka Banno | Democratic |
| 2012 | Tadahiko Ito | Liberal Democratic |
| 2014 | Tadahiko Ito | Liberal Democratic |
| 2017 | Tadahiko Ito | Liberal Democratic |
| 2021 | Tadahiko Ito | Liberal Democratic |
| 2024 | Yutaka Banno | CDP |

## Election Results

2021 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tadahiko Ito (Incumbent) | 121,714 | 50.22 | 4.07 |
| | CDP | Yutaka Banno (elected by Tōkai PR block) | 120,649 | 49.78 | New |
| Registered electors | Registered electors | Registered electors | 437,624 | | |
| Turnout | Turnout | Turnout | | 56.53 | 1.87 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tadahiko Ito (Incumbent) | 108,477 | 46.15 | 1.42 |
| | Independent | Yutaka Banno (Incumbent-Tōkai PR block) | 106,625 | 45.37 | New |
| | Communist | Tadahiro Nagatomo | 19,931 | 8.48 | 1.00 |
| Registered electors | Registered electors | Registered electors | 439,060 | | |
| Turnout | Turnout | Turnout | | 54.66 | 0.96 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2014 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tadahiko Ito (Incumbent) | 109,723 | 47.57 | 0.84 |
| | Democratic | Yutaka Banno (elected by Tōkai PR block) | 99,058 | 42.95 | 10.12 |
| | Communist | Tadahiro Nagatomo | 21,859 | 9.48 | 2.60 |
| Registered electors | Registered electors | Registered electors | 425,151 | | |
| Turnout | Turnout | Turnout | | 55.62 | 4.64 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2012 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tadahiko Ito | 115,407 | 46.73 | 8.59 |
| | Democratic | Yutaka Banno (Incumbent) | 81,078 | 32.83 | 27.32 |
| | Tomorrow | Narumi Masuda | 33,693 | 13.64 | New |
| | Communist | Tadahiro Nagatomo | 16,806 | 6.80 | 1.46 |
| Registered electors | Registered electors | Registered electors | 422,291 | | |
| Turnout | Turnout | Turnout | | 60.26 | 9.94 |
| | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic |
2009 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Yutaka Banno (Incumbent-Tōkai PR block) | 172,839 | 60.15 | 17.29 |
| | Liberal Democratic | Tadahiko Ito (Incumbent) | 109,582 | 38.14 | 7.73 |
| | Happiness Realization | Hidenori Kosako | 4,907 | 1.71 | New |
| Registered electors | Registered electors | Registered electors | 417,869 | | |
| Turnout | Turnout | Turnout | | 70.20 | 2.76 |
| | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP |
2005 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tadahiko Ito | 123,280 | 45.87 | 6.76 |
| | Democratic | Yutaka Banno (Incumbent) (elected by Tōkai PR block) | 115,200 | 42.86 | 11.16 |
| | New Party Nippon | Yūsuke Morita | 15,943 | 5.93 | New |
| | Communist | Tōru Kamiya | 14,362 | 5.34 | 1.53 |
| Registered electors | Registered electors | Registered electors | 404,948 | | |
| Turnout | Turnout | Turnout | | 67.44 | 6.74 |
| | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic |
2003 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Yutaka Banno (Incumbent-Tōkai PR block) | 127,411 | 54.02 | 19.06 |
| | Liberal Democratic | Hiroshi Ōki [ja] (Incumbent) | 92,245 | 39.11 | 3.88 |
| | Communist | Tōru Kamiya | 16,216 | 6.87 | 0.77 |
| Turnout | Turnout | Turnout | | 60.70 | |
| Registered electors | Registered electors | Registered electors | 398,033 | | |
| | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP |
2000 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Hiroshi Ōki [ja] | 84,641 | 35.23 | 9.20 |
| | Democratic | Yutaka Banno (Incumbent) (elected by Tōkai PR block) | 83,988 | 34.96 | New |
| | Assembly of Independents | Yūsuke Morita | 52,046 | 21.66 | New |
| | Communist | Isamu Kajiura | 18,357 | 7.64 | 3.42 |
| | Liberal | Shuji Sekiguchi | 1,199 | 0.50 | New |
| Turnout | Turnout | Turnout | | | |
| | LDP hold | LDP hold | LDP hold | LDP hold |
1996 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal Democratic | Tōichiro Kuno [ja] | 93,053 | 44.43 | New |
| | New Frontier | Yūsuke Morita | 90,099 | 43.02 | New |
| | Communist | Isamu Kajiura | 23,166 | 11.06 | New |
| | Culture Forum | Kazuko Yamazaki | 2,259 | 1.08 | New |
| | Independent | Kenichi Shimoda | 873 | 0.42 | New |
| Turnout | Turnout | Turnout | | | |